- major natural proteins in blood serum globulins ...

(low in all other organs); if both AST and ALT elevated ( aid in differential diagnosis of liver or kidney damage; if only AST is elevated ( cardiac/SKM damage; ALT/AST ratio. diagnostic for . liver disease - some enzymes used in . pathodiagnosis. are . tissue-specific, prostate specific antigen (PSA); PSA is a serine protease present in ... ................
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